31 



13. BuLiMiis Orbignyi, Pfr. Bul. testd umbilicatd, oblongo-tur- 

 rild, tenui, regulariter et confertim plicatd, albd; spii-d turritd, 

 acutd ; anfractibvs 7^ convexiusculis , ultimo \ longitudinis suh- 

 ceguante ; umbilico angusto, aperto ; columelld vix arcuatd ; aper- 

 turd oblongd ; peristomate simplice, acuto, marginibus subparallelis 

 superne conniventibus, columellari subfornicato, patente. 



Long. 19, diam. 8 mill. 

 Locality unkno\vn. 



14. BuLiMus Petiti, Pfr. Bul. testd perforatd, ovato-conicd, soli- 

 dula, longitudinaliter rugoso-striatd, striis concentricis, irregula- 

 ribus obsoletissime subdecussatd,fuscd; spird conicd, apice obtuso, 

 palUdo ; suturd crenulatd, albido-marginatd ; anfractibus 6 plani- 

 usculis, ultimo sj)irain paulb superante ; columelld leviter arcuatd ; 

 aperturd acuto-ovali, intus nitiduld, lividd ; peristomate simplice, 

 recto, margine dextro acuto, columellari diiatato, albido, libere 

 reflexo. 



Long. 26, diam- 16 mill. 

 From Peru. 



15. BuLiMUS S4NDWicENsxs, Pfr. Bul. testd perforatd, cylindraceo- 

 turritd, apice acutiusculo, tenui, striatulo, corneo, strigis albis, 

 opacis, irregularibus, variegato ; anfractibus 10 vix convexiusculis, 

 ultimo \ longitudinis non aąuante, basi circa perforationem aper- 

 tam subcompresso ; aperturd oblongo-ovali ; peristomate simplice, 

 tenui, margine dextro leviter arcuato, €xpansiusculo, columellari 

 membranaceo, fornicato, patente. 



Long. 15, diam. 4^ mill. 



From the Sandwich Islands {B. W. Tucker, Esq.). 



16. Pupa pacifica, Pfr. Pup. testd profunde rin.atd, ovato-cylin- 

 draced, apice obtusiusculo, solidulo, subleevigato, fusco-corneo ; 

 anfractibus 5į convexis, ultimo ^ longitudinis subceguante ; aper- 

 turd semiovali, edentuld ; peristomate breviter expanso, intus albo- 

 labiato, margine dextro superne breviter curvato, tuberculo calloso 

 interdum juxtaposito, columellari latiore, patente. 



Long. 4^, diam. 2^ mill. 



From Sir Charles Hardy's Island, Pacific Ocean (B, W. Tucker, 



Esą.). 



17. AcHATiNA CYLiNDRACEA, Pfr. AcJi. testd subcylindrūcea utrin- 

 gue breviter attenuatd, leevigatd, nitidd, lutescenti-corned ; suturd 

 lineari, albo-marginatd ; spird brevi, conoided, obtusiusculd ; an- 

 fractibus 5 planulatis, ultimo į longitudinis teguante ; columelld 



tortd, lamind callosd, albd, acute prominente, per longitudinem 

 munitd, subtruncatd ; aperturd angustd, acuminato-oblongd, basi 

 rotundatd ; peristomate simplice, margine dextro medio antrorsum 

 diiatato. 



Long. 13, diam. 5į mill. 



From Tortilla, Central America ; in damp places. 



Belongs, by the formation of the columella, to that aberrant group 

 of A. columna, Lattrei, aberrans, Dysoni, anomala, splendida, &c. 



